diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4aa48dcce6..b39f92677a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Upgraded `@simplewebauthn/browser` and `@simplewebauthn/server` from version `13.3` to `14.0`
 - Upgraded `nestjs` from version `11.2.3` to `11.2.6`
 
+### Fixed
+
+- Fixed the asset profile of the activities after a fee, an interest or a liability with the same symbol in the activities import
+
 ## 3.78.0 - 2026-10-03
 
 ### Added
diff --git a/apps/api/src/app/import/import.service.spec.ts b/apps/api/src/app/import/import.service.spec.ts
new file mode 100644
index 0000000000..afabdbcb1f
--- /dev/null
+++ b/apps/api/src/app/import/import.service.spec.ts
@@ -0,0 +1,365 @@
+import { AccountService } from '@ghostfolio/api/app/account/account.service';
+import { ActivitiesService } from '@ghostfolio/api/app/activities/activities.service';
+import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
+import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
+import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
+import { DataGatheringService } from '@ghostfolio/api/services/queues/data-gathering/data-gathering.service';
+import { TagService } from '@ghostfolio/api/services/tag/tag.service';
+import { NON_INVESTMENT_ACTIVITY_TYPES } from '@ghostfolio/common/config';
+import { CreateOrderDto } from '@ghostfolio/common/dtos';
+import { getAssetProfileIdentifier } from '@ghostfolio/common/helper';
+import {
+  Activity,
+  AssetProfileIdentifier
+} from '@ghostfolio/common/interfaces';
+import { UserWithSettings } from '@ghostfolio/common/types';
+
+import { DataSource, SymbolProfile } from '@prisma/client';
+import { parseISO } from 'date-fns';
+
+import { ImportService } from './import.service';
+
+const CUSTOM_ASSET_PROFILE_SYMBOL = '1ad7d4a2-6b2d-4e0f-9b1f-2c0f8d3e5a7b';
+
+describe('ImportService', () => {
+  let createActivity: jest.Mock;
+  let gatherSymbols: jest.Mock;
+  let importService: ImportService;
+
+  beforeEach(() => {
+    const configuration = {
+      DATA_SOURCES_GHOSTFOLIO_DATA_PROVIDER: [],
+      ENABLE_FEATURE_SUBSCRIPTION: false,
+      MAX_ACTIVITIES_TO_IMPORT: Number.MAX_SAFE_INTEGER
+    };
+
+    createActivity = jest.fn();
+    gatherSymbols = jest.fn();
+
+    const validateActivities = jest.fn(
+      ({ activitiesDto }: { activitiesDto: CreateOrderDto[] }) => {
+        const assetProfiles: {
+          [assetProfileIdentifier: string]: Partial<SymbolProfile>;
+        } = {};
+
+        for (const { currency, dataSource, symbol } of activitiesDto) {
+          assetProfiles[getAssetProfileIdentifier({ dataSource, symbol })] ??= {
+            currency,
+            dataSource,
+            symbol,
+            name: symbol
+          };
+        }
+
+        return assetProfiles;
+      }
+    );
+
+    importService = new ImportService(
+      {
+        getAccounts: jest.fn().mockResolvedValue([])
+      } as unknown as AccountService,
+      {
+        createActivity,
+        getActivities: jest.fn().mockResolvedValue({ activities: [], count: 0 })
+      } as unknown as ActivitiesService,
+      null,
+      {
+        get: (key: keyof typeof configuration) => {
+          return configuration[key];
+        }
+      } as unknown as ConfigurationService,
+      { gatherSymbols } as unknown as DataGatheringService,
+      {
+        validateActivities,
+        getDataSourceForImport: jest.fn().mockReturnValue(DataSource.MANUAL)
+      } as unknown as DataProviderService,
+      {
+        toCurrencyAtDate: jest.fn().mockResolvedValue(0)
+      } as unknown as ExchangeRateDataService,
+      null,
+      null,
+      null,
+      null,
+      {
+        getTagsForUser: jest.fn().mockResolvedValue([])
+      } as unknown as TagService
+    );
+  });
+
+  describe('import', () => {
+    it('keeps the asset profile of an investment activity after a non-investment activity', async () => {
+      mockCreatedAssetProfiles([
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL },
+        { dataSource: DataSource.YAHOO, symbol: 'AAPL' }
+      ]);
+
+      const activities = await importActivities({
+        activitiesDto: [
+          createActivityDto({
+            dataSource: DataSource.YAHOO,
+            date: '2024-01-01T00:00:00.000Z',
+            symbol: 'AAPL',
+            type: 'FEE'
+          }),
+          createActivityDto({
+            dataSource: DataSource.YAHOO,
+            date: '2024-01-02T00:00:00.000Z',
+            symbol: 'AAPL',
+            type: 'BUY'
+          })
+        ]
+      });
+
+      expect(
+        createActivity.mock.calls[1][0].SymbolProfile.connectOrCreate.create
+      ).toMatchObject({ dataSource: DataSource.YAHOO, symbol: 'AAPL' });
+
+      expect(getAssetProfileIdentifiers(activities)).toEqual([
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL },
+        { dataSource: DataSource.YAHOO, symbol: 'AAPL' }
+      ]);
+
+      expect(gatherSymbols.mock.calls[0][0].dataGatheringItems).toEqual([
+        {
+          dataSource: DataSource.MANUAL,
+          date: parseISO('2024-01-01T00:00:00.000Z'),
+          symbol: CUSTOM_ASSET_PROFILE_SYMBOL
+        },
+        {
+          dataSource: DataSource.YAHOO,
+          date: parseISO('2024-01-02T00:00:00.000Z'),
+          symbol: 'AAPL'
+        }
+      ]);
+    });
+
+    it('shows the custom asset profile of a non-investment activity after an investment activity', async () => {
+      mockCreatedAssetProfiles([
+        { dataSource: DataSource.YAHOO, symbol: 'AAPL' },
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL }
+      ]);
+
+      const activities = await importActivities({
+        activitiesDto: [
+          createActivityDto({
+            dataSource: DataSource.YAHOO,
+            date: '2024-01-01T00:00:00.000Z',
+            symbol: 'AAPL',
+            type: 'BUY'
+          }),
+          createActivityDto({
+            dataSource: DataSource.YAHOO,
+            date: '2024-01-02T00:00:00.000Z',
+            symbol: 'AAPL',
+            type: 'FEE'
+          })
+        ]
+      });
+
+      expect(
+        createActivity.mock.calls[1][0].SymbolProfile.connectOrCreate.create
+      ).toMatchObject({ dataSource: DataSource.YAHOO, symbol: 'AAPL' });
+
+      expect(getAssetProfileIdentifiers(activities)).toEqual([
+        { dataSource: DataSource.YAHOO, symbol: 'AAPL' },
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL }
+      ]);
+    });
+
+    it.each(NON_INVESTMENT_ACTIVITY_TYPES)(
+      'refers the next %s activities of a data provider to the custom asset profile which createActivity() has created',
+      async (type) => {
+        mockCreatedAssetProfiles([
+          {
+            dataSource: DataSource.MANUAL,
+            symbol: CUSTOM_ASSET_PROFILE_SYMBOL
+          },
+          { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL }
+        ]);
+
+        await importActivities({
+          activitiesDto: [
+            createActivityDto({
+              type,
+              dataSource: DataSource.YAHOO,
+              date: '2024-01-01T00:00:00.000Z',
+              symbol: 'AAPL'
+            }),
+            createActivityDto({
+              type,
+              dataSource: DataSource.YAHOO,
+              date: '2024-01-02T00:00:00.000Z',
+              symbol: 'AAPL'
+            })
+          ]
+        });
+
+        expect(
+          createActivity.mock.calls[1][0].SymbolProfile.connectOrCreate.create
+        ).toMatchObject({ symbol: CUSTOM_ASSET_PROFILE_SYMBOL });
+      }
+    );
+
+    it('refers the next activities without a data source to the custom asset profile which createActivity() has created', async () => {
+      mockCreatedAssetProfiles([
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL },
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL }
+      ]);
+
+      await importActivities({
+        activitiesDto: [
+          createActivityDto({
+            date: '2024-01-01T00:00:00.000Z',
+            symbol: 'Broker fee',
+            type: 'FEE'
+          }),
+          createActivityDto({
+            date: '2024-01-02T00:00:00.000Z',
+            symbol: 'Broker fee',
+            type: 'FEE'
+          })
+        ]
+      });
+
+      expect(
+        createActivity.mock.calls[1][0].SymbolProfile.connectOrCreate.create
+      ).toMatchObject({
+        dataSource: DataSource.MANUAL,
+        symbol: CUSTOM_ASSET_PROFILE_SYMBOL
+      });
+    });
+
+    it('refers the next investment activities without a data source to the custom asset profile which createActivity() has created', async () => {
+      mockCreatedAssetProfiles([
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL },
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL },
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL }
+      ]);
+
+      await importActivities({
+        activitiesDto: [
+          createActivityDto({
+            date: '2024-01-01T00:00:00.000Z',
+            symbol: 'Gold',
+            type: 'BUY'
+          }),
+          createActivityDto({
+            date: '2024-01-02T00:00:00.000Z',
+            symbol: 'Gold',
+            type: 'BUY'
+          }),
+          createActivityDto({
+            date: '2024-01-03T00:00:00.000Z',
+            symbol: 'Gold',
+            type: 'SELL'
+          })
+        ]
+      });
+
+      expect(
+        createActivity.mock.calls.slice(1).map(([activity]) => {
+          return activity.SymbolProfile.connectOrCreate.create;
+        })
+      ).toMatchObject([
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL },
+        { dataSource: DataSource.MANUAL, symbol: CUSTOM_ASSET_PROFILE_SYMBOL }
+      ]);
+
+      expect(gatherSymbols.mock.calls[0][0].dataGatheringItems).toEqual([
+        {
+          dataSource: DataSource.MANUAL,
+          date: parseISO('2024-01-01T00:00:00.000Z'),
+          symbol: CUSTOM_ASSET_PROFILE_SYMBOL
+        }
+      ]);
+    });
+
+    it('keeps the asset profiles of the activities in a dry run', async () => {
+      const activities = await importActivities({
+        activitiesDto: [
+          createActivityDto({
+            dataSource: DataSource.YAHOO,
+            date: '2024-01-01T00:00:00.000Z',
+            symbol: 'AAPL',
+            type: 'FEE'
+          }),
+          createActivityDto({
+            dataSource: DataSource.YAHOO,
+            date: '2024-01-02T00:00:00.000Z',
+            symbol: 'AAPL',
+            type: 'BUY'
+          })
+        ],
+        isDryRun: true
+      });
+
+      expect(createActivity).not.toHaveBeenCalled();
+      expect(gatherSymbols).not.toHaveBeenCalled();
+
+      expect(getAssetProfileIdentifiers(activities)).toEqual([
+        { dataSource: DataSource.YAHOO, symbol: 'AAPL' },
+        { dataSource: DataSource.YAHOO, symbol: 'AAPL' }
+      ]);
+    });
+  });
+
+  function importActivities({
+    activitiesDto,
+    isDryRun
+  }: {
+    activitiesDto: CreateOrderDto[];
+    isDryRun?: boolean;
+  }) {
+    return importService.import({
+      activitiesDto,
+      isDryRun,
+      accountsWithBalancesDto: [],
+      assetProfilesWithMarketDataDto: [],
+      platformsDto: [],
+      tagsDto: [],
+      user: {
+        id: 'user-id',
+        permissions: [],
+        settings: { settings: { baseCurrency: 'USD' } }
+      } as unknown as UserWithSettings
+    });
+  }
+
+  function mockCreatedAssetProfiles(assetProfiles: AssetProfileIdentifier[]) {
+    for (const assetProfile of assetProfiles) {
+      createActivity.mockImplementationOnce(
+        ({
+          date,
+          type
+        }: Parameters<ActivitiesService['createActivity']>[0]) => {
+          return { date, type, SymbolProfile: assetProfile };
+        }
+      );
+    }
+  }
+});
+
+function createActivityDto({
+  dataSource,
+  date,
+  symbol,
+  type
+}: Pick<CreateOrderDto, 'dataSource' | 'date' | 'symbol' | 'type'>) {
+  return {
+    dataSource,
+    date,
+    symbol,
+    type,
+    currency: 'USD',
+    fee: 0,
+    quantity: 1,
+    unitPrice: 100
+  } as CreateOrderDto;
+}
+
+function getAssetProfileIdentifiers(activities: Activity[]) {
+  return activities.map(({ assetProfile: { dataSource, symbol } }) => {
+    return { dataSource, symbol };
+  });
+}
diff --git a/apps/api/src/app/import/import.service.ts b/apps/api/src/app/import/import.service.ts
index 8a2c80e2c3..80637ea4d6 100644
--- a/apps/api/src/app/import/import.service.ts
+++ b/apps/api/src/app/import/import.service.ts
@@ -836,6 +836,10 @@ export class ImportService {
 
     const activities: Activity[] = [];
 
+    const customAssetProfileSymbols: {
+      [assetProfileIdentifier: string]: string;
+    } = {};
+
     for (const activity of activitiesExtendedWithErrors) {
       const accountId = activity.accountId;
       const comment = activity.comment;
@@ -848,12 +852,12 @@ export class ImportService {
       const type = activity.type;
       const unitPrice = activity.unitPrice;
 
-      const assetProfile = assetProfiles[
-        getAssetProfileIdentifier({
-          dataSource: activity.assetProfile.dataSource,
-          symbol: activity.assetProfile.symbol
-        })
-      ] ?? {
+      const assetProfileIdentifier = getAssetProfileIdentifier({
+        dataSource: activity.assetProfile.dataSource,
+        symbol: activity.assetProfile.symbol
+      });
+
+      let assetProfile = assetProfiles[assetProfileIdentifier] ?? {
         dataSource: activity.assetProfile.dataSource,
         symbol: activity.assetProfile.symbol
       };
@@ -904,7 +908,14 @@ export class ImportService {
           continue;
         }
 
-        const { dataSource, name, symbol } = assetProfile;
+        const customAssetProfileSymbol =
+          NON_INVESTMENT_ACTIVITY_TYPES.includes(type) ||
+          assetProfile.dataSource === DataSource.MANUAL
+            ? customAssetProfileSymbols[assetProfileIdentifier]
+            : undefined;
+
+        const { dataSource, name } = assetProfile;
+        const symbol = customAssetProfileSymbol ?? assetProfile.symbol;
 
         const createdActivity = await this.activitiesService.createActivity({
           comment,
@@ -940,9 +951,15 @@ export class ImportService {
           userId: user.id
         });
 
-        if (createdActivity.SymbolProfile?.symbol) {
-          // Update symbol that may have been assigned in createOrder()
-          assetProfile.symbol = createdActivity.SymbolProfile.symbol;
+        if (createdActivity.SymbolProfile.dataSource === DataSource.MANUAL) {
+          customAssetProfileSymbols[assetProfileIdentifier] =
+            createdActivity.SymbolProfile.symbol;
+
+          assetProfile = {
+            ...assetProfile,
+            dataSource: DataSource.MANUAL,
+            symbol: createdActivity.SymbolProfile.symbol
+          };
         }
 
         order = createdActivity;